Fish and Shellfish Immunology is a dynamic field of research exploring the immune responses of aquatic organisms, delving into the intricate mechanisms that safeguard fish and shellfish against pathogens. This interdisciplinary branch of immunology investigates the unique aspects of the immune system in aquatic species, addressing the challenges presented by diverse environments. Researchers in Fish and Shellfish Immunology explore topics such as immune cell function, molecular pathways, and the development of vaccines to enhance the health and resilience of aquatic populations. The journal serves as a vital platform for sharing groundbreaking discoveries, fostering collaboration, and advancing our understanding of immunological processes in fish and shellfish. By bridging the gap between immunology and aquaculture, this field contributes significantly to the sustainable management of aquatic ecosystems and the aquaculture industry, ensuring the health and vitality of these essential species.